METHODS AND APPARATUS FOR MANUFACTURING MUNTIN BAR ASSEMBLIES

摘要

Method and apparatus for assembly mutin bar lattices and spacer frames for use in insulating glass units are disclosed. One method of assembling a muntin bar lattice in accordance with the present invention comprises the steps of providing a muntin bar segment (120) and a keeper (100) dimensioned for piercing a wall of the muntin bar segment (120). A keeper in accordance with an exemplary embodiment of the present invention comprises an elongate body (130) including a tip portion that is dimensioned for piercing a wall of the muntin bar segment to crate on opening therein. A spacer for the separation of panes in an insulating glass unit in accordance with one exemplary embodiment of the present invention may include a tubular member comprising a wall defining a lumen and a mounting flange defining a plurality of mounting holes.